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cvelistMitreCVELIST:CVE-2021-34556
HistoryAug 02, 2021 - 4:02 a.m.

CVE-2021-34556

2021-08-0204:02:40
mitre
www.cve.org
7
linux
bpf
speculative store bypass
kernel memory
security issue

AI Score

6.3

Confidence

High

EPSS

0.001

Percentile

16.0%

JSON

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack.

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prion
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CVE-2021-34556 affecting package kernel for versions less than 5.10.78.1-1
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AI Score

6.3

Confidence

High

EPSS

0.001

Percentile

16.0%

JSON
Related for CVELIST:CVE-2021-34556
prion1ubuntucve1redhatcve1debiancve1cbl_mariner2cve1nvd1mageia2openvas34fedora2nessus40amazon1photon4ubuntu7cloudfoundry1osv8suse6debian1